One of the world’s most-watched music events is being shown on the big screen. This year’s Eurovision Song Contest will be performed live in Sweden and streamed into cinemas across the country, including three Kent screens. The Light Cinema in Sittingbourne, Cineworld in Ashford and Showcase at Bluewater, near Dartford, will all be showing the grand final of the international singing competition on Saturday, May 11. The show, which starts at 8pm, is being broadcast in the UK by BBC One with commentary from Graham Norton. The comedian and chat show host took over the job from Terry Wogan, who h…